H3C S7500E Series Operation Manual page 430

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches
Configure
the
AS_PATH
attribute
To do...
Configure repeating
times of local AS
number in routes
from a peer/peer
group
Disable the router
from taking
AS_PATH as a
factor for best route
selection
Specify a fake AS
number for a
peer/peer group
Substitute local AS
number for the AS
number of a
peer/peer group in
the AS_PATH
attribute
Configure to not
keep private AS
number in
AS_PATH of
updates to a
peer/peer group
5-29
Chapter 5 BGP Configuration
Use the
command...
peer
Optional
{ group-name |
The local AS number can
ip-address }
not be repeated in routes
allow-as-loop
from the peer/peer group.
[ number ]
Optional
By default, the router
bestroute
takes AS_PATH as a
as-path-neglect
factor for best route
selection.
Optional
peer
Not specified by default
{ group-name |
This command is only
ip-address }
applicable to an EBGP
fake-as as-nmber
peer or peer group.
peer
Optional
{ group-name |
The substitution is not
ip-address }
configured by default.
substitute-as
Optional
peer
{ group-name |
By default, BGP updates
ip-address }
carry private AS
numbers.
public-as-only
Remarks